Analysis

  • max time kernel
    120s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2024, 16:49

General

  • Target

    Admisorio N° 3791594003-2024.exe

  • Size

    1.4MB

  • MD5

    cd816b257768edfcc207c46560dc848d

  • SHA1

    fbf28fbf3371f8ba318d2ace74249bd399a1517a

  • SHA256

    3ea300295c8dea1b8fc3cae09ae34ce41b82f4968487c626765bddc62a2bcc3a

  • SHA512

    7f4d283c7916535d5bfd27e0ec71093625562053ffae5edbae84a8c67f5b8c134a17385f8ddd6ccf3d25466d76fd6bbf94669b6ee1692df9c52f5ef8bcff8631

  • SSDEEP

    24576:8F1LXN0h9W02JhZIdcZrH8r/cw/H5sa1viJL:A1xS9R0Z4iW2

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

DIC03

C2

fgtryuioiewq.duckdns.org:8010

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Admisorio N° 3791594003-2024.exe
    "C:\Users\Admin\AppData\Local\Temp\Admisorio N° 3791594003-2024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7C15.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/2084-13-0x00000000004F3000-0x0000000000502000-memory.dmp

    Filesize

    60KB

  • memory/2084-4-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-6-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-5-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-3-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-11-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-16-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2084-15-0x000000000054D000-0x0000000000567000-memory.dmp

    Filesize

    104KB

  • memory/2084-1-0x00000000004F3000-0x0000000000502000-memory.dmp

    Filesize

    60KB

  • memory/2084-14-0x0000000000548000-0x0000000000567000-memory.dmp

    Filesize

    124KB

  • memory/2084-0-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2952-20-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2952-10-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2952-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2952-7-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2952-21-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/2952-22-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2952-18-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2952-39-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/2952-40-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB